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The A6028158304 Front Steel Plate Front Bracket Bolt is a high-strength, precision-engineered fastening component specifically designed for critical structural connections in BEIBEN commercial vehicles. This genuine OEM bolt is integral for securing the front bracket assembly to the truck’s chassis or frame, ensuring stability and alignment under extreme operational loads. When you require authentic and reliable Beiben truck parts, this bolt exemplifies the manufacturer’s commitment to safety, durability, and performance.
Front Steel Plate Front Bracket Bolt
Болт переднего кронштейна передней стальной пластины
Perno del Soporte Frontal de Placa de Acero Delantera
The Front Steel Plate Front Bracket Bolt, identified by OEM number A6028158304, serves as a fundamental structural fastener within the front assembly of BEIBEN trucks. Its primary function is to create a rigid, non-permanent connection between the front steel bracket and the vehicle’s chassis frame. This connection is subjected to immense and dynamic forces, including shear, tension, and vibrational loads generated during acceleration, braking, cornering, and when traversing uneven terrain.
Beyond simply holding parts together, the A6028158304 plays a vital role in load distribution. By applying a specific, calibrated clamping force (achieved through correct torque application), it ensures that operational stresses are spread evenly across the joint interface. This prevents localized stress concentrations that could lead to metal fatigue, cracking of the bracket or chassis, or elongation of the bolt holes.
High-Grade Alloy Steel: The A6028158304 is forged from alloy steel, typically meeting strength classifications such as Grade 10.9 or 12.9. These grades indicate exceptional tensile strength (over 1000 MPa for Grade 10.9) and yield strength, ensuring the bolt can handle extreme loads without permanent deformation.
Precision Rolled Threads: Threads are formed through a cold-rolling process that compresses the grain structure of the metal, resulting in threads that are stronger, smoother, and more resistant to fatigue and stripping compared to cut threads.
Advanced Corrosion Protection: The bolt undergoes surface treatment, often a zinc plating process (possibly with yellow chromate passivation for identification and extra corrosion resistance) or a geometric coating like Dacromet, which provides a robust barrier against rust and chemical attack from road salts and moisture.
Optimized Head Design: The bolt head, usually a hexagon or flange design, is sized for optimal tool engagement and torque transmission. A flange head integrates a washer-like base to distribute clamping force over a wider area, protecting softer materials and preventing embedding.
Controlled Hardness and Toughness: Through precise heat treatment (quenching and tempering), the bolt achieves an optimal balance of hardness for wear resistance and toughness (ductility) to absorb impact and vibrational energy without becoming brittle and cracking.
The material and manufacturing choices for the A6028158304 translate into significant long-term benefits. The high strength-to-weight ratio means the bolt contributes to vehicle safety without adding unnecessary mass. The superior corrosion protection is critical for longevity, especially in winter service areas or coastal regions, as it prevents thread seizure—a common problem that makes future disassembly for maintenance difficult or destructive. The precision engineering ensures that every A6028158304 bolt from the production line delivers identical performance, which is vital for fleet standardization and predictable maintenance outcomes.
The following table presents the core technical specifications for the A6028158304 Front Steel Plate Front Bracket Bolt. These details are essential for correct identification, procurement, and installation.
| Parameter | Specification | Details |
|---|---|---|
| OEM Number | A6028158304 | Original Equipment Manufacturer Part Code |
| Product Name | Front Steel Plate Front Bracket Bolt | Official Component Designation |
| Brand | BEIBEN | Vehicle and Parts Manufacturer |
| Thread Specification | Metric Fine (e.g., M14 x 1.5) | Precise diameter and pitch for secure fit |
| Length (Under Head) | Model-Specific (e.g., 60mm, 70mm) | Critical for proper thread engagement and grip |
| Head Style | Hexagon Head or Flange Head | Designed for standard socket or wrench |
| Strength Grade | Grade 10.9 or 12.9 | High tensile strength classification |
| Surface Finish | Zinc-Plated (Yellow Chromate) | Corrosion-resistant and visually identifiable |
| Recommended Torque | Per BEIBEN Manual (e.g., 110-130 Nm) | Must be followed for correct preload |
| Weight (Approx.) | 0.2 – 0.4 kg | Varies with length and diameter |
| Compatibility | BEIBEN Truck Models | Specific to front bracket assembly applications |
The specifications detailed above are non-negotiable for the safe and effective performance of the A6028158304 bolt. The strength grade is a key indicator of its load-bearing capacity; using a lower-grade bolt in this application is a severe safety risk. The exact length ensures that the bolt engages enough threads in the nut or tapped hole to develop its full strength—typically, engagement should be at least 1.5 times the bolt diameter. The specified torque value is calculated to stretch the bolt within its elastic range, creating the precise clamping force needed to keep the joint tight under vibration without over-stressing and damaging the bolt or the components.
Preparation and Inspection: Clean the bolt holes in both the bracket and chassis thoroughly. Remove any dirt, rust, old thread-locking compound, or metal burrs. Inspect the threads in the chassis (or nut) for damage. If threads are compromised, use a tap or die to repair them. Verify the new A6028158304 bolt for any shipping damage.
Initial Thread Engagement: Start threading the bolt by hand. Do not use power tools at this stage. The bolt should spin smoothly and easily. If resistance is met, back it out, realign the components, and try again. Forcing the bolt can cross-thread and permanently damage both the bolt and the receiving threads.
Torque Application: Use a calibrated torque wrench. If multiple bolts secure the bracket, follow a star or cross pattern, tightening them gradually in stages (e.g., 30%, 70%, 100% of final torque) to ensure even clamping and prevent bracket distortion. Apply the final torque in one smooth, continuous motion to the exact value specified for the A6028158304 in the BEIBEN service documentation.
Verification and Securing: After initial installation, it is good practice to re-check the torque on all bolts in the joint after a short period of operation (e.g., 50-100 km) as part of a re-torque cycle, as some settling may occur. Apply thread-locking compound only if specified by the manufacturer, as it can affect the achieved clamp load.
Improper installation is a leading cause of bolt joint failure. Under-torquing fails to develop sufficient preload, allowing the joint to loosen under vibration (a phenomenon known as “spontaneous loosening”), which leads to fretting wear, elongated holes, and eventual failure. Over-torquing can stretch the bolt beyond its yield point, permanently weakening it, or cause it to fracture. It can also strip threads or crush and distort the components being clamped.
Incorporating the A6028158304 bolts into a routine chassis inspection schedule is a proactive maintenance strategy. During service intervals, visually examine each bolt for signs of advanced corrosion, such as heavy rust scaling or pitting, which reduces the bolt’s effective cross-sectional area and strength.
Clear indicators of a failed or failing A6028158304 bolt include: visible necking (a reduction in diameter) or stretching of the bolt shank; cracks radiating from the head or under the head; severe thread damage or wear; or the bolt being completely missing. Operational symptoms may include new or worsening clunking or rattling noises from the front end when driving over bumps, which suggests a loose bracket due to failed fasteners. If any bolt is found to be defective, it is highly recommended to replace all bolts in that specific joint with new, genuine A6028158304 bolts.
Substituting the genuine A6028158304 with an aftermarket bolt of unknown provenance introduces significant and unacceptable risks. Non-OEM bolts may be marked with a misleading strength grade or may not be marked at all. Their actual material composition could be inferior, lacking the necessary alloying elements, resulting in lower tensile strength and poor fatigue resistance.
The consequences of such substitutions in a critical structural application can be severe. A bolt failure can allow a major component like a suspension bracket to shift or detach, drastically altering vehicle geometry and leading to loss of control. The resulting accident could cause significant property damage, injury, and liability. Furthermore, the use of non-genuine parts often voids manufacturer warranties on related systems.
The production of the A6028158304 bolt adheres to rigorous international quality standards, such as ISO 898-1, which defines mechanical properties of fasteners. The manufacturing journey begins with certified steel rod, which is cold-forged into shape to enhance the metal’s grain flow and strength. Threads are precision-rolled to maintain dimensional accuracy and improve fatigue life. A controlled heat treatment process follows, involving quenching for hardness and tempering to restore toughness.
Quality assurance is continuous. Statistical process control monitors production. Finished bolts from each batch undergo destructive testing (tensile, hardness, wedge load) to verify they meet or exceed the claimed grade. Dimensional checks are performed with gauges. This comprehensive validation ensures that every A6028158304 bolt delivers consistent, reliable performance. When you purchase a genuine BEIBEN part, you are not just buying a piece of metal; you are investing in this entire ecosystem of engineering, controlled manufacturing, and validated quality.
Investing in the genuine A6028158304 bolt delivers superior long-term value and operational reliability. Its durability means it is typically a “fit and forget” component for the life of the joint, barring accidental damage or extreme corrosion. By maintaining joint integrity, it protects more expensive components like brackets, springs, and chassis frames from abnormal wear and damage caused by movement and misalignment. This preventative effect significantly reduces total maintenance costs over the vehicle’s lifecycle.
From an operational standpoint, reliable fasteners are the foundation of vehicle uptime. A failure that could strand a truck is far more costly than the price of a premium bolt. For fleet managers, standardizing on genuine BEIBEN fasteners like the A6028158304 simplifies parts inventory, ensures consistent repair quality across all maintenance events, and supports a strong safety culture. This culture can positively influence insurance premiums and help ensure compliance with ever-tightening roadworthiness regulations.
The A6028158304 Front Steel Plate Front Bracket Bolt is a fundamental, safety-critical component in the construction of BEIBEN trucks. Its high-strength design, corrosion resistance, and precise engineering ensure that vital front-end structures remain securely fastened, preserving vehicle handling, stability, and safety. Adherence to correct installation torque and regular visual inspection are simple yet essential practices for every maintenance program.
For BEIBEN truck operators, maintenance teams, and fleet managers, specifying the genuine A6028158304 bolt for all replacement and repair work is a non-negotiable standard of care. It is a direct investment in vehicle integrity, driver safety, and operational continuity. Always verify part numbers against your vehicle’s official documentation and source components exclusively from authorized and reputable BEIBEN parts suppliers.
© 2023 Truck Parts Guide. This content is provided for informational purposes only. Always consult the official BEIBEN service manual and qualified professionals for maintenance and repair procedures.
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